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Finding the Fourth Proportional to 227,798.68, 314,362.20 and 127,196.68

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Solution

The fourth proportional to 227,798.68, 314,362.20 and 127,196.68 is: 175,531.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,798.68 : 314,362.20 = 127,196.68 : x
  2. Step 2: Convert to fraction form
    227,798.68/314,362.20 = 127,196.68/x
  3. Step 3: Cross multiply
    227,798.68x = 314,362.20 × 127,196.68
  4. Step 4: Simplify right side
    227,798.68x = 39,985,828,157.50
  5. Step 5: Solve for x
    x = 39,985,828,157.50/227,798.68
  6. Step 6: Final answer
    x = 175,531.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.